GMC SIERRA ENGINE SYMPTOM

I Was Told This Could Be A Dod Problem, But I Don't Believe It Is Because There's No Lifter Ticking. I Pulled The Plug Wires Off...

I'm Getting Fuel And Spark To The Distributor But Not To The Plugs Ive Checked And Cleaned The Grounds I've Put All New Parts N The...

Will Not Start. Turns Over Not Even An Engagement.

Truck Starts And Runs Somewhat Okay And Does Not Lose Power At Lower Speeds Around Town. Took It Out On The Highway The Other Night And...

At Startup, 2,000 Rpms, After A Few Minutes, 1,300 Rpms, In Gear With Brake 1,100 Rpms, Let Off The Brake And Just Apply Throttle And...

Running Good Then Suddenly Stopped Running. Replaced Fuel Pump Due To Low Pressure, Ran For About A Day And Now No Start. It Has Spark To...

Worked A Site Due To Being A Little Cold I Would Start My Truck And Let It Run About 20/30 Minutes Say About 5/6 Times Out Of 12hrs. I Went...

Checked Schrader Valve And Fuel Burned Off After A Few Seconds. Replaced Bad Fuel Pump With Ac Delco Oem Fuel Pump And Now The Valve Is...